Meaning of ELECTRON in English

ELECTRON

transcription, транскрипция: [ i-ˈlek-ˌträn ]

noun

Etymology: electr- + -on (II)

Date: 1891

: an elementary particle consisting of a charge of negative electricity equal to about 1.602 × 10 -19 coulomb and having a mass when at rest of about 9.109 × 10 -31 kilogram or about 1/1836 that of a proton

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.